22351169 has 2 divisors, whose sum is σ = 22351170. Its totient is φ = 22351168.

The previous prime is 22351157. The next prime is 22351177. The reversal of 22351169 is 96115322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22202944 + 148225 = 4712^2 + 385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22351169 is a prime.

It is a super-2 number, since 2×22351169² = 999149511333122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22351129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11175584 + 11175585.

It is an arithmetic number, because the mean of its divisors is an integer number (11175585).

Almost surely, 2^22351169 is an apocalyptic number.

It is an amenable number.

22351169 is a deficient number, since it is larger than the sum of its proper divisors (1).

22351169 is an equidigital number, since it uses as much as digits as its factorization.

22351169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 29.

The square root of 22351169 is about 4727.7022960419. The cubic root of 22351169 is about 281.6869629684.

The spelling of 22351169 in words is "twenty-two million, three hundred fifty-one thousand, one hundred sixty-nine".